Surf Forecasts:
Kennebunk Beach surf forecast from 15 Sep 2026:
- Most powerful swell: Sunday 20 Sep, 8PM (local time) - 4.5ft (1.4m), 7s period, SSE swell with 178 kJ wave energy.
Best Forecast Surf Conditions for Kennebunk Beach this week:
The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.4m 7s and forecast to arrive on Sunday (Sep 20) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 6s period and expected on Sunday (Sep 20) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Sun 20th Sep) | 4.5ft (1.4m) 7s |
Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s break down the next couple weeks at Kennebunk Beach.
Honestly, the first stretch is a total blank. Through the 24th, there’s just nothing going on. The swell energy barely registers – we're talking tiny numbers like 20, 22, 11 – and it’s all flagged as poor conditions. It’s going to be a long wait.
The first sign of life comes on Friday the 25th. The morning starts with a 4ft SE swell, but it’s messy with a 30 km/h wind. By afternoon it cleans up a bit to a 4ft SE swell with a gentle offshore breeze, just enough to be surfable but not exactly pumping. It’s a warm-up at best.
Now, Saturday the 26th is your standout. The morning is the clear winner. We’ve got a 5ft SE swell with a solid 10-second period. The combined energy is moderate (450). The wind is a gentle 15 km/h blowing offshore from the NE, so you’re looking at clean, peeling waves. That kind of size is a proper intermediate wave – a bit much for beginners, but it’ll have some push. This spot can get crowded, so expect some company. The afternoon is still fun with a 5ft SE swell, but the morning is the real magic window.
Sunday the 27th is still worth a paddle. The morning is glassy with a 5ft SE swell – crystal clean and soft, thanks to a light SSE breeze. The afternoon gets a bit cross-shore and choppier, so hit it early.
After that, it’s a quick fade. Monday the 28th has a smaller 3ft SE swell with clean wind, but the energy is dropping fast. By the end of the month, we’re back to flatness.
Bottom line: The first two weeks are mostly a bust. If you want the one good day, mark Saturday morning, September 26th at Kennebunk Beach. 5ft of SE swell, clean offshore wind, and the best energy of the whole outlook. That’s your session.
- Rusty
Short Range ForecastLight rain (total 6mm), mostly falling on Thu afternoon. Warm (max 25°C on Wed night, min 11°C on Tue morning). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 36mm), heaviest during Sun morning. Warm (max 23°C on Fri afternoon, min 10°C on Sat morning). Winds increasing (calm on Thu night, fresh winds from the S by Sun morning). | ||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SE 8 | SE 7 | ENE 6 | ESE 9 | ESE 9 | S 4 | ESE 7 | ESE 7 | ESE 12 | ESE 7 | ESE 7 | ESE 7 | ESE 12 | ESE 8 | E 6 | SSE 4 | ESE 11 | ESE 11 | SSE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 35 | 12 | 10 | 8 | 8 | 28 | 10 | 10 | 15 | 15 | 18 | 15 | 13 | 23 | 21 | 67 | 11 | 12 | 54 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-on | on | on | cross-on | cross-off | off | cross-off | cross-on | cross-off | glassy | cross-off | cross-off | cross-on | cross-on | on | cross-off | cross-off |
High Tide | 2:35AM2.69m | 2:47PM2.86m | 3:22AM2.54m | 3:31PM2.75m | 4:11AM2.39m | 4:19PM2.64m | 5:06AM2.28m | 5:14PM2.55m | 6:04AM2.21m | 6:12PM2.51m | 7:04AM2.20m | 7:13PM2.51m | |||||||
Low Tide | 8:19PM0.03m | 8:32AM0.24m | 9:05PM0.14m | 9:16AM0.40m | 9:54PM0.27m | 10:03AM0.53m | 10:47PM0.38m | 10:56AM0.64m | 11:46PM0.48m | 11:54AM0.70m | 00:49AM0.52m | 12:56PM0.70m | 1:50AM0.49m | ||||||
 |  | |  |  | | | |  |  | | | | | |  |  |  | | |
 | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — |
 | 6:53 | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — |
mm | — | — | — | — | — | — | — | — | 6 | 6 | — | — | — | — | — | 6 | 20 | 4 | — |
Temp °C | 16 | 14 | 15 | 14 | 18 | 24 | 25 | 18 | 16 | 16 | 20 | 23 | 18 | 13 | 14 | 15 | 18 | 20 | 15 |
Feels °C | 12 | 12 | 12 | 11 | 15 | 21 | 25 | 17 | 15 | 17 | 19 | 22 | 14 | 11 | 10 | 11 | 16 | 20 | 12 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 7 | ENE 6 | ESE 9 | ESE 9 | ESE 9 | S 4 | ESE 7 | E 4 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | E 6 | ENE 5 | ESE 11 | S 7 | SSE 7 |
| kJ | 35 | 12 | 10 | 8 | 8 | 15 | 9 | 10 | 12 | 15 | 18 | 15 | 13 | 23 | 15 | 2 | 11 | 286 | 54 |
Swell 2 Height (m) Direction Period (s) | E 15 | ESE 9 | SSE 7 | E 4 | — | SE 13 | ESE 7 | SSE 4 | ESE 7 | ENE 4 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 7 | ENE 5 | — | ESE 11 | ESE 11 |
| kJ | 4 | 8 | 4 | 1 | — | 7 | 10 | 2 | 10 | 1 | 14 | 14 | 13 | 13 | 21 | 2 | — | 12 | 11 |
Swell 3 Height (m) Direction Period (s) | — | S 15 | ESE 9 | SE 7 | SE 13 | E 13 | SE 13 | SE 13 | ESE 12 | SE 9 | SE 9 | SE 9 | ESE 6 | SE 12 | ESE 11 | — | — | SE 11 | ESE 8 |
| kJ | — | 4 | 8 | 2 | 7 | 4 | 7 | 6 | 15 | 3 | 3 | 3 | 4 | 6 | 13 | — | — | 5 | 7 |
Wind waves Height (m) Direction Period (s) | NNE 4 | NE 4 | — | SSW 3 | SSW 3 | S 4 | — | NE 4 | ENE 4 | — | — | S 4 | NNE 4 | ENE 5 | — | SSE 4 | S 6 | W 4 | NNE 5 |
| kJ | 25 | 10 | — | 3 | 6 | 28 | — | 14 | 10 | — | — | 1 | 8 | 27 | — | 67 | 365 | 6 | 52 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 11 | 590 | 583 | 607 | 585 | 657 | 462 | 442 | 1098 | 857 | 296 | 472 | 11 | 1326 | 1326 | 1326 | 657 | 54 | 11 |
Best forecast wave conditions in Maine | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Kennebunk Beach Surf forecast
The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.
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